@book{57822,
	author = {Fröbel, Friedrich, and Michaelis, Emilie},
	title = {Autobiography of Friedrich Froebel},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Release date is 2005-08-04},
	url = {https://www.gutenberg.org/ebooks/16434}
}